Organization and Summary of Significant Accounting Policies - Summary of Long-term Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Liabilities Noncurrent [Abstract]
Operating leases	$ 3,600	$ 3,949
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Total	Total
Deferred payroll taxes	$ 0	$ 243
Finance leases	92	96
Deferred revenue	181	76
Other	126	23
Total	$ 3,999	$ 4,387